Patent JPS5757033A successfully refreshed from Google Patents.
US2490938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying
Assignee: Akzo Nobel UK PLC
•
Filing: 1945-05-05
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Granted: 1949-12-13
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Expires: 1965-05-05
Abstract
No abstract record available.
Inventors
- 👤 James G Wiegerink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:50
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0418; D01D10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2042145A
Cited
US2231457A
Cited
US2325652A
Cited
US2403800A
Cited
US2421334A
Cited
US2428615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |